A bivalent and trivalent metallic element of the rare earth group.
Sinónimos
Examples for "europium"
Examples for "europium"
1Despite the anonymity, chemists know the europium dyes consist of two parts.
2There are 17 rare earth metals including lutetium, cerium and europium.
3There the europium stirs up its electrons, which jump to higher energy levels.
4To counter that, it will also produce europium, dysprosium and neodymium.
5That versatility is a bugbear for counterfeiters and makes europium a great anticounterfeiting tool.
1However, EU officials said that African migration presented the greater long-term concern.
2But EU rules require border checks with countries outside the common market.
3One question is whether it would comply with EU state aid rules.
4Continued EU funding is therefore necessary to consolidate progress so far made.
5A challenge of a different kind presents itself to EU countries today.
Translations for atomic number 63